2^10 bytes = 1 kiB ≈ 1 kB = 10^3 bytes 2^20 bytes = 1 MiB ≈ 1 MB = 10^6 bytes 2^30 bytes = 1 GiB ≈ 1 GB = 10^9 bytes 2^40 bytes = 1 TiB ≈ 1 TB = 10^12 bytes